package cn.njxzc.book.masterexamples.ch14;

import java.util.*;
public class SetDemo6 {
      public static void main(String[] args) {
		   Set s = new TreeSet();
             s.add("37");
             s.add(new Integer(37));
             Iterator i = s.iterator();
             while (i.hasNext()) 
                  System.out.println(i.next());
      }
}
